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Cloud [144]
2 years ago
7

The sum of 3 times a number and 7, divided by 5, is 17 written as an equation

Mathematics
1 answer:
Anestetic [448]2 years ago
3 0

Equation is: \frac{3x+7}{5}=15

and Value of x is x=68/3\\

Step-by-step explanation:

We need to write an equation of:

The sum of 3 times a number and 7, divided by 5, is 17

Let the number = x

So, equation will be:

\frac{3x+7}{5}=15

We can solve the equation to find the value of x.

\frac{3x+7}{5}=15\\3x+7=15*5\\3x+7=75\\3x=75-7\\3x=68\\x=68/3\\

So, Equation is: \frac{3x+7}{5}=15

and Value of x is x=68/3\\

Keywords: Write equation from sentence

Learn more about Write equation from sentence at:

  • brainly.com/question/1600376
  • brainly.com/question/1648978
  • brainly.com/question/10708697

#learnwithBrainly

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Given: WY=ZX<br><br> A is the midpoint of WY.<br><br> A is the midpoint of ZX.<br><br> Prove: WA =ZA
navik [9.2K]

Answer:

Given information: WY=ZX, A is the midpoint of WY and A is the midpoint of ZX.

To prove :  WA =ZA

Proof:

A is the midpoint of WY, it means A divides WY in two equal parts.

WA=AY

So, WY is twice of WA.

WY=2WA            .... (1)

A is the midpoint of ZX, it means A divides ZX in two equal parts.

ZA=AX

So, ZX is twice of ZA.

ZX=2ZA         ... (2)

WY=ZX                        (Given)

Substitute the values from equation (1) and (2).

2WA=2ZA

Divide both sides by 2.

WA=ZA

Hence proved.

5 0
3 years ago
X =<br> 3) Solve by completing the square.<br> (3 poir<br> x2 + 4x - 59 = 0
bonufazy [111]

Answer:

9.83

Step-by-step explanation:

x2 + 4x- 59 = 0 +59

x2 + 4x = 59

6x=59

6x/6 = 59/6

x=9.83

8 0
3 years ago
Please help
Schach [20]

Answer:

Hence, option: B is correct (11.02 seconds)

Step-by-step explanation:

Spencer hits a tennis ball past his opponent. The height of the tennis ball, in feet, is modeled by the equation h(t) = –0.075t2 + 0.6t + 2.5, where t is the time since the tennis ball was hit, measured in seconds.

Now we are asked:

How long does it take for the ball to reach the ground?

i.e. we have to find the value of t such that height is zero i.e. h(t)=0.

-0.075t2+0.6t+2.5=0

or 0.075t^2-0.6t-2.5=0

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on solving the equation we get two roots as:

t≈ -3.02377 and t≈11.0238

As time can't be negative; hence we will consider the value of t as t≈11.0238.

Hence it takes 11.02 seconds for the ball to reach the ground.

Hence option B is correct (11.02 seconds).

7 0
3 years ago
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